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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
There are a collection of standards that defines the access control for wireless Ethernet. Which one of the answers below is the standard for initiating a WLAN?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Mark"?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
There are several types of converters. Which one of the answers below is best known as a "Bridges"?
Which of the answers below best represents the maximum number of devices that can be connected to an H1 multidrop bus network?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
There are commonly two configurations a programmer would use for workstations. Which of the answers below would best be described as a workstation that has the majority of the data processing done in the applications at the workstation??
Wireless Ethernet connections can be easily captured across a public access point. Which of the primary security methods below is to be used at all times possible?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
There are several stages in the alarm lifecycle. Which of these stages is there alarm shelving and some refresher training?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would allow power lines to carry stable low-speed communication?
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in visual indications of data?
The term "TDM" relates best to which of the answers below?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
In relation to IPv4, every classification has a finite amount of addresses. Which of the classifications below has the most subnet addresses?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
Which of the answers below is best represented by the number "7" on a typical H1 segment?
The term "Repeaters" relates best to which of the answers below?
Which of the data transmission modes below best is described as a two way alternating transmission?
Which of the answers below best represents one of the recommended standards in regards to Instrumentation?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
There are numerous threats to the security of a DCS. Which of the security measures below requires a login to a user account?